Read original post by Cheryl Simmons at MSDN Magazine
The Windows Phone SDK 7.1 includes some great tools for evaluating the adherence to certification guidelines and improving the performance of your applications that target Windows Phone 7.5, prior to submission to the marketplace. In this article, I’ll walk you through using the Marketplace Test Kit and Performance Analysis tool on a sample application and show how you can use these tools to evaluate the marketplace-readiness of your application. I’ll show you how to use data from the tools to make improvements that will help get it accepted into the marketplace on the first try.